#contents {
  width: 1200px;
}

#explanation .explanation {
  width: (100% - 10px);
  margin-left: 10px;
  overflow-wrap: break-word;
}

.articeList .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.articeList article {
  flex: 1 1 250px;
  display: flex;
  max-width: 300px;
}

.articeList h2 {
  font-size: 20px;
}

.articeList p {
  font-size: 16px;
  opacity: 0.8;
  word-break: break-all;
  margin: 10px 0px;
}

.articeList .photo {
  min-height: 150px;
  background-position: center;
  background-size: cover;
}

.articeList a {
  flex: 1;
  margin: 10px;
  display: block;
  border: solid 1px #ddd;
  color: inherit;
  text-decoration: none;
}

.articeList a:hover {
  opacity: 0.8;
}

.articeList .text {
  margin: 10px;
}

.text > h3{
  margin: 0px;
}

.command {
  white-space: nowrap;
}

#HowToUse>a>img,#Commentary>a>img {
  margin-right: 10px;
  width: 90%;
  border: 1px solid black;
}

table {
  border-collapse: collapse;
  border: 2px solid rgb(140 140 140);
  font-family: sans-serif;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

th{
  background-color: rgb(46, 46, 196);
  color:#fff;
}

th,td {
  border: 1px solid rgb(160 160 160);
  padding: 8px 10px;
}

@media screen and (max-width:1023px) {
  #thumbnail {
    max-width: 100%;
    width: fit-content;
  }
}

@media screen and (max-width:520px) {
  .articeList article {
      flex: 1 1 250px;
      display: flex;
      max-width: 500px;
    }
    .articeList .photo {
      height: 240px;
    }
}